Automated and secure digital mobile video monitoring and recording

• US 20040177253A1
• Filed: 03/18/2004
• Published: 09/09/2004
• Est. Priority Date: 11/19/2002
• Status: Abandoned Application

• Current Assignee: My Ez Communications, LLC
• Original Assignee: My Ez Communications, LLC
• Inventors: Bell, Thomas, Wu, Zhenyu, Yan, Xiao-Hong
• Application Number:
  US10/804,240
• Publication Number:
  US 20040177253A1
• Time in Patent Office: Days
• US Class Current: 713/176
• CPC Class Codes: G08B 13/19647 Systems specially adapted for intrusion detection in or around a vehicle
• CPC Class Codes: G08B 13/1966 Wireless systems, other than telephone systems, used to communicate with a camera
• CPC Class Codes: H04N 2005/91335 the copy protection signal being a watermark
• CPC Class Codes: H04N 21/8358 involving watermark protecting executable software by watermarking G06F21/16; image watermarking in general G06T1/0021; watermarks inserted in still images for transmission purposes H04N1/32144; inserting watermarks during video coding H04N19/467
• CPC Class Codes: H04N 5/913 for scrambling ; for copy protection

Abstract

A system, method and data unit for automated and secure digital mobile video recording and monitoring are provided where the system includes an authenticated acquisition subsystem for digitally watermarking video data, a video management subsystem in signal communication with the authenticated acquisition subsystem for storing, viewing and verifying the digitally watermarked video data, and a secure wireless video transfer subsystem for signal communication between the acquisition and management subsystems; the method includes digitally watermarking video data, verifying the digitally watermarked video data, and coordinating communications of video data; and the data unit is a digital video data file encoded with signal data having block transform coefficients indicative of a secure digital mobile video recording, the coefficients collectively indicative of an original video data sequence with a secure watermark, the secure watermark including a plurality of signatures.

Claims

1. A system for automated secure digital mobile video monitoring and recording, the system comprising:

an authenticated acquisition subsystem for digitally watermarking video data;

a video management subsystem in signal communication with the authenticated acquisition subsystem for storage, viewing and verification of the digitally watermarked video data; and

a secure wireless video transfer subsystem in signal communication between the acquisition and management subsystems.

2. A system as defined in claim 1, the video management subsystem comprising a video database for storing video data.

3. A system as defined in claim 1 wherein the video management subsystem is in intermittent signal communication with the authenticated acquisition subsystem.

4. A system as defined in claim 1, the authenticated acquisition subsystem comprising a video imaging device for acquiring original video data.

5. A system as defined in claim 1, the authenticated acquisition subsystem comprising a watermarking device for applying at least one signature to the video data.

6. A system as defined in claim 1, the video management subsystem comprising a verification device for verifying at least one signature in the video data.

7. A system as defined in claim 1, the video management subsystem comprising a watermark verifying playback device for verifying at least one signature and displaying verified video data.

8. A system as defined in claim 1, further comprising a secure wireless transfer subsystem.

9. A system as defined in claim 8, the secure wireless transfer subsystem comprising:

at least one wireless client; and

at least one wireless access point in wireless signal communication with said at least one wireless client.

10. A system as defined in claim 1, further comprising watermarking means for digitally watermarking the video data.

11. A system as defined in claim 10, further comprising verification means in signal communication with the watermarking means for verifying the digitally watermarked video data.

12. A system as defined in claim 2, further comprising a mobile playback device in signal communication with said video database for receiving and displaying stored video data.

13. A system as defined in claim 1, the video management subsystem comprising at least one camera for capture and wireless transmission of video data from a fixed location to mobile clients.

14. A system as defined in claim 1, further comprising at least one second authenticated acquisition subsystem in wireless signal communication with the first authenticated acquisition subsystem to form a peer-to-peer mobile broadband wireless network facilitating video data transfer among mobile clients.

15. A method of automated secure digital mobile video monitoring and recording, the method comprising:

digitally watermarking video data;

verifying the digitally watermarked video data; and

coordinating communications of video data.

16. A method as defined in claim 15, further comprising intermittently transmitting the digitally watermarked video data prior to verification.

17. A method as defined in claim 16, further comprising storing the digitally watermarked video data at a fixed location.

18. A method as defined in claim 17, further comprising:

wirelessly transmitting the stored video data from the fixed location to at least one mobile system; and

displaying the transmitted video data.

19. A method as defined in claim 15, further comprising compressing the digitally watermarked video data prior to verification.

20. A method as defined in claim 15, further comprising acquiring original video data.

21. A method as defined in claim 15, further comprising:

acquiring original video data at a fixed location;

wirelessly transmitting the acquired video data from the fixed location to at least one mobile system; and

displaying the transmitted video data.

22. A method as defined in claim 15, further comprising applying at least one signature to the video data.

23. A method as defined in claim 15, further comprising verifying at least one signature in the video data.

24. A method as defined in claim 23, further comprising displaying verified video data.

25. A method as defined in claim 23, further comprising wirelessly transmitting the verified video data from a fixed location to at least one mobile system.

26. A method as defined in claim 15, further comprising:

capturing video data at a fixed location; and

transmitting the captured video data from the fixed location to a mobile client.

27. A method as defined in claim 15, further comprising wirelessly transmitting video data within a peer-to-peer mobile broadband wireless network to facilitate interoperability among mobile clients.

28. A digital video data file encoded with signal data comprising a plurality of block transform coefficients indicative of a secure digital mobile video recording, the coefficients collectively indicative of an original video data sequence with a secure watermark, the secure watermark comprising a plurality of signatures.

29. A digital video data file as defined in claim 28, the data file achieving progressively varying robustness in a single watermark by means of at least one of error-correcting signature coding and rate-distortion guided bit embedding.